What is the percentage of valid subjects that are falsely rejected by a Biometric Authentication system called?

A.
False Rejection Rate (FRR) or Type I Error

B.
False Acceptance Rate (FAR) or Type II Error

C.
Crossover Error Rate (CER)

D.
True Rejection Rate (TRR) or Type III Error

Explanation:
A Type I error, or false rejection rate, is when a biometric system rejects an authorized individual.
Incorrect Answers:
B: A Type II error, or false acceptance rate, is when the system accepts impostors who should be rejected.
C: The crossover error rate (CER) is a percentage that signifies the point at which the false rejection rate
equals the false acceptance rate.
D: The true reject rate refers to the percentage of times a system correctly rejects a false claim of identity.

Harris, Shon, All In One CISSP Exam Guide, 6th Edition, McGraw-Hill, 2013, pp. 188
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